IP Address:

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IP Address:​

This IP address attempted an attack on a machine protected by Guardicore Centra

Threat Information



Services Targeted



New SSH Key Access Suspicious Domain Listening System File Modification Scheduled Task Creation Download and Allow Execution Port 22 Scan Successful SSH Login SSH Outgoing Connection Download and Execute Port 7946 Scan

Connect Back Servers

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Basic Information

IP Address




Tencent cloud computing




Created Date


Updated Date




First seen in Guardicore Centra


Last seen in Guardicore Centra


What is Guardicore Centra
Guardicore Centra is a data center and cloud security solution that protects the organization's core assets, using flexible, quickly deployed and easy to understand micro-segmentation controls. Centra generates in-context security incidents, with details on attacker tools and techniques, that help IR teams prioritize incident investigation and reduce dwell time. Learn More

Attack Flow

A user logged in using SSH with the following credentials: root / ************ - Authentication policy: Reached Max Attempts

Successful SSH Login

Process /usr/bin/wget generated outgoing network traffic to: 2 times

Outgoing Connection

The file /usr/bin/lunlfa5 was downloaded and executed 30 times

Download and Execute

Process /usr/bin/lunlfa5 generated outgoing network traffic to:,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, and

Outgoing Connection

Process /usr/bin/lunlfa5 attempted to access suspicious domains: one.one

Outgoing Connection Access Suspicious Domain

Process /usr/bin/lunlfa5 started listening on ports: 8489


Process /usr/bin/lunlfa5 scanned port 7946 on 23 IP Addresses

Port 22 Scan Port 7946 Scan

Process /usr/bin/lunlfa5 scanned port 7946 on 31 IP Addresses

Port 22 Scan Port 7946 Scan

Process /usr/bin/lunlfa5 scanned port 22 on 23 IP Addresses

Port 22 Scan Port 7946 Scan

System file /etc/hosts was modified

System File Modification

Process /usr/bin/lunlfa5 scanned port 22 on 31 IP Addresses

Port 22 Scan Port 7946 Scan

Connection was closed due to timeout

An attempt to download /root/.ssh/authorized_keys was made

New SSH Key

Associated Files


SHA256: 2dfce07d7066cca93bc85d5c235ee9b4ed6cf4776a9f45dfcc8b14790e8b2912

4268416 bytes


SHA256: b5a8a8fb365f0b134f8fe2f3936eed9928208bfe5ea6dad47bf20a269a7c6318

11396000 bytes

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IP Address:​Malicious